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The dumbdbm module has been renamed to dbm.dumb in Python 3.
The 2to3 tool will automatically adapt imports when converting your
sources to Python 3.

Note

The dumbdbm module is intended as a last resort fallback for the
anydbm module when no more robust module is available. The dumbdbm
module is not written for speed and is not nearly as heavily used as the other
database modules.

The dumbdbm module provides a persistent dictionary-like interface which
is written entirely in Python. Unlike other modules such as gdbm and
bsddb, no external library is required. As with other persistent
mappings, the keys and values must always be strings.

Open a dumbdbm database and return a dumbdbm object. The filename argument is
the basename of the database file (without any specific extensions). When a
dumbdbm database is created, files with .dat and .dir extensions
are created.

The optional flag argument is currently ignored; the database is always opened
for update, and will be created if it does not exist.

The optional mode argument is the Unix mode of the file, used only when the
database has to be created. It defaults to octal 0666 (and will be modified
by the prevailing umask).

Modifié dans la version 2.2: The mode argument was ignored in earlier versions.

In addition to the dictionary-like methods, dumbdm objects
provide the following method: